The definitive diagnosis of leukemia is made by:
bone marrow aspiration with biopsy.
CT scan.
complete blood count.
lumbar puncture with cerebral spinal fluid analysis.
The Correct Answer is A
Rationale:
A. Bone marrow aspiration with biopsy is the definitive method for diagnosing leukemia. It allows direct examination of marrow cellularity, morphology, and the presence of leukemic blasts, confirming the diagnosis.
B. CT scans may detect organ involvement or complications but cannot diagnose leukemia.
C. A complete blood count (CBC) can suggest leukemia through abnormal white blood cell counts, anemia, or thrombocytopenia but cannot confirm the diagnosis.
D. Lumbar puncture with cerebrospinal fluid analysis is used to assess CNS involvement in leukemia but is not sufficient for initial diagnosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Rationale:
A. Gonorrhea can present with vaginal discharge and irritation, which can mimic bacterial vaginosis, making it an important condition to consider in the differential diagnosis.
B. Pelvic inflammatory disease typically involves upper genital tract infection with symptoms such as lower abdominal pain, fever, and cervical motion tenderness, rather than isolated vaginal discharge.
C. HPV infection usually presents with genital warts or asymptomatic infection and is not typically confused with bacterial vaginosis.
D. Syphilis presents with characteristic lesions such as chancres or rash, not the thin, gray-white vaginal discharge associated with bacterial vaginosis.
Correct Answer is D
Explanation
Rationale:
A. Acetic acid is primarily used for topical treatment of certain infections and is not appropriate for general wound cleansing before suturing.
B. Povidone-iodine can be irritating to tissues and may delay wound healing if used for deep wound irrigation.
C. Chlorhexidine (Hibiclens) is effective for skin antisepsis but is generally not recommended for open wound irrigation due to potential tissue toxicity.
D. Saline solution for irrigation is the preferred method for cleansing lacerations prior to suturing. It effectively removes debris and contaminants without causing tissue irritation, promoting optimal wound healing.
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